…Stainless Steel Wire Test Tube Brush Stainless Steel Wire Test Tube Brushes are made of high-grade nylon and stainless steel, which combine for great performance and durability. Heavy Double Tufted End Beaker Brushes Designed for heavy duty cleaning of beakers,jars and other wide…

…mills is 495 mm. Jar Chute: Threaded to take standard Mason glass jars, up to 2 qt. (1.8 L) capacity. Jars permit observation of finished product, as well as affording convenience for storage of samples. A bag or sack can be tied on in place of the jar.Beaker Chute: 105 mm i.d. x 146…

…surfaces. Can be used on the lips of flasks, test tubes, beakers, bottles, etc. Remains pliable in cryogenic, pressure and vacuum work. Good as an electrical insulator and for tightening up leaky threads. Also suitable for covering the ends of sampling tubes or across the lips of sample jars.